Yocto 2.4

Move OpenBMC to Yocto 2.4(rocko)

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/yocto-poky/meta/classes/cross.bbclass b/import-layers/yocto-poky/meta/classes/cross.bbclass
index 4feb01e..d217717 100644
--- a/import-layers/yocto-poky/meta/classes/cross.bbclass
+++ b/import-layers/yocto-poky/meta/classes/cross.bbclass
@@ -50,7 +50,7 @@
 # Path mangling needed by the cross packaging
 # Note that we use := here to ensure that libdir and includedir are
 # target paths.
-target_base_prefix := "${base_prefix}"
+target_base_prefix := "${root_prefix}"
 target_prefix := "${prefix}"
 target_exec_prefix := "${exec_prefix}"
 target_base_libdir = "${target_base_prefix}/${baselib}"